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Financial Risk Management - Summary of Gross Customer Finance Exposures by Geographical Area (Detail) kr in Millions | Dec. 31, 2024 SEK (kr) Customer | Dec. 31, 2023 SEK (kr) Customer
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Disclosure Of Gross Customer Finance Exposures By Geographical Area [Line Items] |  |
Gross exposure | kr 7,116 | kr 9,681
of which its related carrying value | kr 4,522 | kr 6,917
Total outstanding number of customer finance arrangements | Customer | 70 | 65
Top 5 largest facilities as % of gross exposures | 75.00% | 86.00%
Unutilized customer finance commitments | kr 47,775 | kr 37,019
North America [member] |  |
Disclosure Of Gross Customer Finance Exposures By Geographical Area [Line Items] |  |
Gross exposure | 467 | 1,839
Europe And Latin America [Member] |  |
Disclosure Of Gross Customer Finance Exposures By Geographical Area [Line Items] |  |
Gross exposure | 2,110 | 2,033
South East Asia Oceania And India [Member] |  |
Disclosure Of Gross Customer Finance Exposures By Geographical Area [Line Items] |  |
Gross exposure | 2,211 | 3,679
Middle East And Africa [Member] |  |
Disclosure Of Gross Customer Finance Exposures By Geographical Area [Line Items] |  |
Gross exposure | kr 2,328 | kr 2,130

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